Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::merge

Drupal\Core\Database\Connection::mergeRun #53920b950c201Run #53920bd97d62dDiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)507 524 17 3.4%
Incl. Wall Time (microsec) per call 254 262 9 3.4%
Excl. Wall Time (microsec)26 24 -2 -7.7%
Incl. CPU (microsecs)510 539 29 5.7%
Incl. CPU (microsecs) per call 255 270 15 5.7%
Excl. CPU (microsec)22 33 11 50.0%
Incl. MemUse (bytes)63,300 63,300 0 0.0%
Incl. MemUse (bytes) per call 31,650 31,650 0 0.0%
Excl. MemUse (bytes)1,512 1,512 0 0.0%
Incl. PeakMemUse (bytes)60,328 60,328 0 0.0%
Incl. PeakMemUse (bytes) per call 30,164 30,164 0 0.0%
Excl. PeakMemUse (bytes)1,284 1,284 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::merge [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Connection::merge0 N/A% 17 3.7% 29 6.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -11.8% 11 37.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::setWithExpire0 N/A% 17 100.0% 29 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 22 129.4% 21 72.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::__construct0 N/A% -3 -17.6% -3 -10.3% 0 N/A% 0 N/A%